Seo Taiji's Symphony' was introduced back on September 27, 2008, where Seo Taiji held an astounding performance with a royal philharmonic orchestra. World renown musical conductor Tolga Kashif, who composed 'The Queen Symphony' aided Seo Taiji in bringing together rock and classical music to create a more special stage. 'Seo Taiji Symphony' was a turning point in musical history for a domestic musician attempted to take on the challenge of combining rock music and orchestra as well as inviting international bands such as Deep Purple and Metallica. In 2008, 'Seo Taiji's Symphony' sold out the Sangam World Cup Stadium bringing in a massive audience of 40,000 spectators.